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Definition of buckhorn
1 : the horn of a buck often : the substance of such a horn knives with buckhorn handles
2 : deerhorn sense 2
3a : cinnamon fern
b or less commonly buckhorn plantain (1) : narrow-leaved plantain
(2) : a Eurasian plantain (Plantago coronopus) sometimes grown for its slightly bitter lobed leaves
(3) : large-bracted plantain
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Merriam-Webster unabridgedWords at Play
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